mgagit: add git dir

git-svn-id: svn+ssh://svn.mageia.org/svn/adm/puppet@3267 db665093-e049-48a9-b3c2-13f1584ce46d
git::server: don't create /git directory

git-svn-id: svn+ssh://svn.mageia.org/svn/adm/puppet@3268 db665093-e049-48a9-b3c2-13f1584ce46d
Disable old git repositories

git-svn-id: svn+ssh://svn.mageia.org/svn/adm/puppet@3269 db665093-e049-48a9-b3c2-13f1584ce46d
Also disable sparkleshare git repo

git-svn-id: svn+ssh://svn.mageia.org/svn/adm/puppet@3270 db665093-e049-48a9-b3c2-13f1584ce46d